sched, treewide: Replace hardcoded nice values with MIN_NICE/MAX_NICE

Replace various -20/+19 hardcoded nice values with MIN_NICE/MAX_NICE.

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/ff13819fd09b7a5dba5ab5ae797f2e7019bdfa17.1394532288.git.yangds.fnst@cn.fujitsu.com
Cc: devel@driverdev.osuosl.org
Cc: devicetree@vger.kernel.org
Cc: fcoe-devel@open-fcoe.org
Cc: linux390@de.ibm.com
Cc: linux-kernel@vger.kernel.org
Cc: linux-mm@kvack.org
Cc: linux-s390@vger.kernel.org
Cc: linux-scsi@vger.kernel.org
Cc: nbd-general@lists.sourceforge.net
Cc: ocfs2-devel@oss.oracle.com
Cc: openipmi-developer@lists.sourceforge.net
Cc: qla2xxx-upstream@qlogic.com
Cc: linux-arch@vger.kernel.org
[ Consolidated the patches, twiddled the changelog. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>

2 files changed, 4 insertions, 4 deletions

diff --git a/kernel/locking/locktorture.c b/kernel/locking/locktorture.c
index f26b1a18e34e..23343be46e91 100644
--- a/kernel/locking/locktorture.c
+++ b/kernel/locking/locktorture.c
@@ -216,7 +216,7 @@ static int lock_torture_writer(void *arg)
         static DEFINE_TORTURE_RANDOM(rand);
 
         VERBOSE_TOROUT_STRING("lock_torture_writer task started");
-        set_user_nice(current, 19);
+        set_user_nice(current, MAX_NICE);
 
         do {
                 schedule_timeout_uninterruptible(1);
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 0ee63af30bd1..c30c01b32ece 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -100,10 +100,10 @@ enum {
 
         /*
          * Rescue workers are used only on emergencies and shared by
-         * all cpus.  Give -20.
+         * all cpus.  Give MIN_NICE.
          */
-        RESCUER_NICE_LEVEL      = -20,
-        HIGHPRI_NICE_LEVEL      = -20,
+        RESCUER_NICE_LEVEL      = MIN_NICE,
+        HIGHPRI_NICE_LEVEL      = MIN_NICE,
 
         WQ_NAME_LEN             = 24,
 };